Electrostatic precipitator esp is a flagship product of thermax apc business. After it passes through the turbine, the steam is condensed in a condenser and recycled to where it was heated. When t he decision arises regar ding which type to adopt in a specific situation, one needs to know the advantages and disadvantages of each type of equipment. Hoppers are fitted below the electrostatic precipitator chamber for collecting dust particles. Esp in thermal power plant is a filtration is used to remove dusts from flue gas using the. Likewise, having more than one electrical field in parallel allows adjustments to compensate for their differences, so that power input can be optimized. An electrostatic precipitator esp is defined as a filtration device that is used to remove fine particles like smoke and fine dust from the flowing gas. Ppt thermal power plant powerpoint presentation free to. They were originally developed to stop serious smoke and air issues and have definitely helped the environment. What is the function of an electrostatic precipitator in a. Installing esp and using electrostatic precipitator parts is mandatory in thermal power plants.
A thermal power plant is a power plant in which the prime mover is stream. But whether electrostatic precipitators perform the function expected from them can be determined by measuring the efficiency of the device. Fullfledgedoperation of electrostatic precipitators for. An electrostatic precipitator esp is a filtration device that removes fine particles, like dust and smoke, from a flowing gas using the force of an. Schematic diagram of circuitry associated with precipitators the most commonly used meters are the. As an integral component of the precipitator control system, the sq300i simultaneously controls power to the tr set, analyzes alarms, and interfaces with computerbased data acquisition software. How does an electrostatic precipitator operate in a power. The spacing between the plates is typically in the range of 2040 cm. Ppt electrostatic precipitator esp industry powerpoint. A free powerpoint ppt presentation displayed as a flash slide show on id. Thermal power plant free download project of php,java,asp. Water is heated, turns into steam and spins a turbine which drives an electrical generator. Energy conservation in power plant electrostatic precipitator.
Working of electrostatic precipitator adventage and. Pdf thermal power stations emit significant amounts of fly ash and ultrafine particles into the atmosphere. In previous decades, electrostatic precipitators in thermal power plants were fed by. The particulate laden gases enter one area of the vessel and exit another area clean. It is the commonly used device for air pollution control. The precipitator consists of vertical parallel plates collecting plateselectrodes. Pm controlpm control xcyclones xbaghouses xesps xscrubbers xparticulate filters cyclones. Maximum allowable value of dust is 50 mgm 3 and it requires that the efficiency of the esps better than 99%, which calls for an. Excellence enhancement centre for indian power sector is an indogerman energy forum established by republic of india and federal republic of germany in 2006 to.
Ash handling plant in thermal plants 25% is furnace bottom ash and 75% is pulverized fuel ash. Mar 29, 2017 electrostatic precipitator esp is a particulate removal device that removes suspended particulate matter from combustible products using an electrostatic force. In contrast to wet scrubbers which apply energy directly to the flowing fluid medium, an esp applies energy only to the particulate matter being collected and. This video shows intallation progress of an electrostatic precipitator esp of thermal power plant. These dustladen gases pass through an electrostatic precipitator that collects most of the dust. Abstract electrostatic precipitators esp or electrofilters remove flying ashes and fine particles from the flue gas in thermal power plants, before passing the gas into the chimney. An electrostatic precipitator esp is installed at the outlet of the boiler. Electrostatic precipitator is efficient equipment which removes dust, smoke and other particulate matters from air. An electrostatic precipitator esp is a device that removes dust particles from a flowing gas such. Larger particles pickup charge more easily, while an abundance of small particles may suppress the generation of the corona. Sunil v ranalkar ae nashik training center presentation introduction methods for removal of fly ash particles from flue gas electrostatic precipitator. Find powerpoint presentations and slides using the power of, find free presentations research about electrostatic precipitator ppt.
Ppt thermal power plant powerpoint presentation free. The ability to control two different types of power supplies adds a unique dimension to the product line. Introduction an electrostatic precipitator is a large, industrial emission control unit. Many industrial, power generation and chemical processes produce unwanted fine. High frequency power supply for electrostatic precipitators. Electrostatic precipitator efficiency electrical4u.
Electrostatic precipitators esp are used to control fly ash emitting from the boilers of the power plants. Retrofit applications of the redkoh system typically permits the reuse of control cabinet components such as circuit breakers, contactors, pts, cts and control wiring. The orders electrostatic precipitator has an improved performance in comparison with an ordinary electrostatic precipitator because it has one section more. Operation of modern thermal power plant requires great attention. Injection for coal fired power plant for high resistivity nh 4 injection for oil fired power plant for low resistivity naoh spray system for glass melting furnace water quenching sprayer for high temperature gas. Redkoh industries switch mode power supply for electrostatic. Unfortunately, as often happens during media frenzies, the truth gets lost amid generalizations, assumptions and poor reporting.
An esp uses a high voltage electrostatic field to separate dust, fume or mist from a gas stream. The following work is done in accordance with north chennai thermal power station. The flue gas laden with fly ash is sent though pipes having negatively charged plates, which give the particles a negative charge. Electrostatic precipitators esp project miniproject eee. The model developed is a novel tool for the thermal power plant to predict the effect of possible modifications made to the esp design on the flow pattern. The report analyzes the power market scenario in the algeria includes thermal, nuclear, large hydro, pumped storage and renewable energy sources and provides future outlook with forecasts up to 2030. In power plants, electrostatic precipitators esps are utilized to filter the fly ash from exhaust flue gas before passing it. Cyclones versus electrostatic precipitators cyclones and electrostatic precip itators are two different types of equipment, each capable of removing particles from an air stream. In the simplest terms, a precipitator is a device that utilizes electrostatic forces for the collection of particulate.
Flow simulation in an electrostatic precipitator of a thermal. Electrostatic precipitator esp emitting electrodes. Due to strict regulation and everincreasing air pollution, installing one in a thermal power plant or any other power plants where flue gases are released, have become a necessity. Electrostatic precipitator, also called electrostatic air cleaner, a device that uses an electric charge to remove certain impuritieseither solid particles or liquid dropletsfrom air or other gases in smokestacks and other flues. Electrostatic precipitator thermal power plants are based on coal as fuel. A great deal has been written and said in the media recently about electrostatic precipitator esp commercial air purifiers and ozone generators. An electrostatic precipitator in a thermal power plant is not able to generate high voltage of several thousands.
Flow simulation in an electrostatic precipitator of a. Electrostatic precipitator an overview sciencedirect. Steamcturbine power plant which is sometime known as coal based power plant or thermal power plant, is a major source of electrical energy for any country. The out put from the hpt is reheated in a reheaterrh and used to rotate ipt. Electrostatic precipitator in modern thermal power plant. Mar, 2017 an electrostatic precipitator esp is an electromechanical device which filters out particles fly ashfumessuspended dirt from airgas stream flue gas if from a boiler or furnace before releasing out of a chimney. The gas flow distribution in electrostatic precipitator esp ducts of a thermal power plant was numerically simulated with cfd. Oct 08, 2016 introduction an electrostatic precipitator is a large, industrial emission control unit. The electrostatic precipitators esp are extensively used in the thermal power plant or steam power plant for removal of fly ash from the electric utility boiler emissions. Electrostatic precipitator esp is a particulate removal device that removes suspended particulate matter from combustible products using an electrostatic force. Electrostatic precipitator nature physical sciences. Pq measurement analysis of electrostatic precipitator. Energy conservation is the very major concern in recent scenarios, mainly in power plants. In power plants, electrostatic precipitators esps are utilized to filter the fly ash from exhaust flue gas before passing it to the atmosphere.
Excellence enhancement centre for indian power sector. Growing energy demand subject to increasing investment in residential, construction and infrastructure sector by developing. An electrostatic precipitator esp is an electromechanical device which filters out particles fly ashfumessuspended dirt from airgas stream flue gas if from a boiler or furnace before releasing out of a chimney. Components of an electrostatic precipitator donnerstag, 12. A thermal power station is a power station in which heat energy is converted to electric power. Electrostatic precipitator an overview sciencedirect topics. An electrostatic precipitator esp is a filtration device that removes fine particles, like dust and smoke, from a flowing gas using the force of an induced electrostatic charge minimally impeding the flow of gases through the unit in contrast to wet scrubbers, which apply energy directly to the flowing fluid medium, an esp applies energy only to the particulate matter being collected and. The predicted results show a reasonable agreement with the measured data. One can build hot esps that operate around 400 450 oc the main problem is cost and materials.
Thermal power plant and study of the electrostatic precipitator by sayantan jana under the guidance of j. Input power 3phase 60hz 480v 1phase 60hz 480v igbt current control high frequency 25khz scr angle control 60hz control frequency power factor 0. Esp is used for the cleaning exhaust flue gases which is comes out from the chimney and help us for the environment protection the principal of electrostatic precipitator is attraction between. The precipitator functions by applying energy only to the particulate matter being collected, without significantly impeding the flow of gases. What is an electrostatic precipitator in a thermal power. Ken research the report provides in depth analysis on global thermal power market with forecasts up to 2030. After it passes through the turbine the steam is condensed in a condenser and recycled to where it was heated.
This electrical equipment was first introduced by dr. Construction, working, operation and maintenance of electrostatic. In a thermal power plant generally 3 turbines are used to increase the effciency. Most power stations burn fossil fuels such as coal or oil to generate electricity for use. Pdeen bandhu choturam thermal power plant is a project of haryana power generation corporation limited hpgcl. Today electrostatic precipitators are found mainly on large power plants, cement plants, incinerators, and various boiler applications. Electrostatic precipitator principle, applications. Ppt electrostatic precipitator esp powerpoint presentation.
Electrostatic precipitatorelectrostatic precipitator bio mass power plantbio mass power plant. The results of the simulation are discussed and compared with onsite measured data supplied by the power plant. Cottel in 1906 and was first economically used in 1937 for removal of dust and ash particles with the exhaust gases of thermal power plants 2. Esp to to remove the ash particulate matter from dust laden gas and is used in coal power plants. Ppt detailed report on global electrostatic precipitator. Coal consists of some percentage of ash, sox, and nox gases in which flow into atmosphere should be controlled within hygiene, pollution free and comfort before the gas is released into atmosphere. Esp in tamil electrostatic precipitator in thermal power. The operation of electrostatic precipitator will be of the following four phases ionization of flue gas by high voltage discharge. Inside, high voltage electrodes impart a charge to the particles. An esp uses a high voltage electrostatic field to separate dust, fume or mist from a. After a presentation of the process of water treatment in a thermal power plant tpp. Coal used in indian thermal power stations is of inferior grade, at power plant flue gas is often treated with a series of chemical process. On the basis of the middle experiment model, gambit and icem cfd. Cleaned gas then passes out of the precipitator and through a stack to the atmosphere.
Electrostatic precipitator s esp project miniproject eee electrical 1. Electrostatic precipitator esp services get tips about. Coal used in indian thermal power stations is of inferior grade, at power plant flue gas is often treated with a series of chemical process and scrubbers, having low calorific value35004500kcalkg and high ash content due to drift origin. In large thermal power plants the operating temperature is 100 250 oc. Introduction in india 65% of total power is generated by the thermal power stations. In contrast to wet scrubbers which apply energy directly to the flowing fluid medium, an esp applies energy only. An electrostatic precipitator esp is a filtration device that removes fine particles, like dust and smoke, from a flowing gas using the force of an induced electrostatic charge minimally impeding the flow of gases through the unit. When these fuels undergo combustion, smoke is produced. Electrostatic precipitator,esp,working principle of esp in hindi,esp in power plant.
Construction, working, operation and maintenance of. Electrostatic precipitator pollutioncontrol device. There is high scope for the electrostatic precipitator market in for use of esp in power plant and industries in various regions across the globe during 20162021. Limited, rourkela certification this is to certify that the project entitled general overview of nspclroukela themal power plant and the study of the. The superheated steam is directly fed to this turbine to rotate it. May 27, 2015 an electrostatic precipitator esp is a filtration device that removes fine particles, like dust and smoke, from a flowing gas using the force of an induced electrostatic charge minimally. Redkoh industries switch mode power supply for electrostatic precipitators the redkoh system can be retrofitted to a precipitator electrical field through the use of existing control cabinets and existing trs.
Well, with environmental pollution rising, theres a constant need for removing impurities in the air. The width of the collection plates in a large electrostatic precipitator can be several meters and the height up to 15 m. Electrostatic precipitator is used in ash handling plant to remove fly ash. Pulverizing process consists 3 stages classified as. When any fuel is used in the boiler say coal or wood chip or rice husk etc ash is generated. Electrostatic precipitators have become the norm now in industries. Working of electrostatic precipitator today we discussed about a very important equipment of power plant thats is electrostatic precipitator. An electrostatic precipitator does not contribute directly to the production of electricity in the thermal power plant, but it helps to keep the atmosphere clean which is quite important for living beings. Pulverizing plant in modern thermal power plant, coal is pulverized i. Water is heated, turns into steam and spins a steam turbine which drives an electrical generator. An electrostatic precipitator system may include several sections energized from separate highvoltage supplies. Electrostatic precipitator is basically an electrical equipment in which the dust is removed from the flue gas by means of electrical discharge and the removed dust is collected by means of mechanical rapping system. Ppt electrostatic precipitator esp for thermal power plants. Electrostatic precipitator of thermal power plant youtube.
An electrostatic precipitator is a type of filter dry scrubber that uses static electricity to remove soot and ash from exhaust fumes before they exit the smokestacks. Typical efficiency of an electrostatic precipitator as a function of the corona power ratio, which. Working principle of electrostatic precipitator electrical4u. Information on construction and working of electrostatic precipitators esps is given in this. View and download powerpoint presentations on electrostatic precipitator ppt. Esp construction by sunil ranalkar assistant engineer nasik training engineer ash produced in power plants. Electrostatic precipitators manufacturer for sugar mill, slop.
Pdf power electronics solution to dust emissions from thermal. It is designed to trap and remove dust particles from the exhaust gas stream flue gases of an industrial plant. Pulverizing is a means of exposing a large surface area to the action of oxygen and consequently helping combustion. Jan 01, 2016 this video shows intallation progress of an electrostatic precipitator esp of thermal power plant. Sep 17, 2017 today we will learn about thermal power plant, its main components along with working and its advantages and disadvantages. A simplified drawing of the circuitry from the primary control cabinet to the precipitator field is shown in figure 2. In india 65% of total power is generated by the thermal power stations. Electrostatic precipitator,esp,working principle of esp in hindi,esp in power plant duration. What is the specific type of electrostatic precipitator esp. Electrostatic precipitators have been a reliable technology since the early 1900s. Electrostatic precipitator free download as powerpoint presentation. Collection electrode of an electrostatic precipitator in a waste incineration plant an electrostatic precipitator esp is a filtration device that removes fine particles, like dust and smoke, from a flowing gas using the force of an induced electrostatic charge minimally impeding the flow of gases through the unit. Working of electrostatic precipitator an esp works because of electrostatic attraction like charges repel. An electrostatic precipitator in a thermal power plant is.
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